Answer:
It separates two lanes traveling in the same direction
Explanation:
The white lines are used to separate the lanes that go in one direction and there are different types of these lines. One of them are the broken white lines that are used to separate two lanes that go on the same direction and they allow you to change your lane if it is safe to do it. According to this, the answer is that a broken white line on the highway separates two lanes traveling in the same direction.
